Josef-Hehmann-Site-Package/Resources/Public/Css/rte.css

/**
 * Style sheet used for the RTE in the backend
 *
 * This is loaded whenever an RTE field is edited in the backend.
 * Keep this file as short as possible, giving the editor an idea of what the content might look like in the frontend.
 */

.btn.link {
    color: #0165a3;
    background-color: #fff;
    border: 1px solid #ccc;
}

.btn.link:hover {
    color: #fff;
    background-color: #0165a3;
    border: none;
}